A military discharge cant be removed from your record
No
Choose not to re-enlist (honorable discharge), bad conduct discharge, hardship discharge, medical discharge, die.
Demobbed.
Dishonourable discharge
No. If you commit a crime as a civilian after you've been separated from the military, it has no impact on your discharge. Not that it really matters - you get convicted for a capital crime, no discharge is going to better your life after prison, assuming you eventually get paroled.
Desertion from a volunteer army is generally considered a serious offense and can lead to a dishonorable discharge. However, the specific consequences can vary depending on the circumstances and the military's policies. In some cases, it may result in a less severe discharge classification.
Probably not.
No. They would receive whatever discharge papers the Australian military gave them upon their discharge from service.
Walt Disney did not receive a dishonorable discharge because he never served in the military.
It means nothing
Look at your DD-214.